MCQs: A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is______________________?
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MCQs: A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be____________________?
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MCQs: Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?
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MCQs: The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be___________________?
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MCQs: The condilion for a lifting machine to be reversible is that its efficiency should be_________________?
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MCQs: In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is_____________________?
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MCQs: A system of copianar forces acting on a rigid body can be reduced to________________?
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MCQs: Force polygon method is applicable for_____________________?
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MCQs: The diagram showing the point of application and line of action of forces in their plane is called____________________?
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MCQs: The bending moment in an arch is proportional to___________________?
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MCQs: An ordinate in a funicular polygon represents__________________?
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MCQs: In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics ?
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MCQs: The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are__________________?
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MCQs: If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
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MCQs: WilliotMohr diagram is used to determine deflection in__________________?
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MCQs: For a nonconcurrent force system to be in equilibrium__________________?
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MCQs: The condition of equilibrium for any system of forces in a plane is____________________?
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MCQs: A funicular polygon cannot be made to pass through___________________?
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MCQs: The pole distance is measured in___________________?
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MCQs: The member forces in a statically in determinate truss____________________?
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